Inflatable cushion



FIG. 1 is a front view of an inflatable cushion showing the new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof. 

CLAIM The ornamental design for an inflatable cushion, as shown and described. 